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单选题
Why is gas-freeing rarely required for LPG cargo tanks? （）
A
LPG is compatible with all cargos
B
LPG's high oxygen content makes it nonvolatile
C
Cargo tanks are inspected less frequently than on oil tankers
D
The cargo tanks are used for one type of cargo only
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更多 “单选题Why is gas-freeing rarely required for LPG cargo tanks? （）A LPG is compatible with all cargosB LPG's high oxygen content makes it nonvolatileC Cargo tanks are inspected less frequently than on oil tankersD The cargo tanks are used for one type of cargo only” 相关考题
考题
Gas Carriers are generally referred to the cargo ships constructed or adapted and used for the carriage of ________ ．A.LNG in bulkB.LNG ＆ LPG in bulkC.LPG in bulkD.LNG ＆ LPG and other liquefied gas products
考题
In no case shall ballast water be carried in cargo tanks，______ on those rare voyages when weather conditions are so severe that，in the opinion of the master，it is necessary to carry additional ballast water in cargo tanks for the safety of the ship.A.besidesB.in particularC.incase ofD.except
考题
Why is gas-freeing rarely required for LPG cargo tanks?A.LPG is compatible with all cargosB.LPG's high oxygen content makes it nonvolatileC.Cargo tanks are inspected less frequently than on oil tankersD.The cargo tanks are used for one type of cargo only
考题
You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?A.Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleanedB.The hoses to portable cleaning machines should be disconnected before the machines are removed from the tankC.The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residueD.Steam cleaning and water washing are both capable of generating electrostatic charges within a tank
考题
Generally speaking，the heavier cargo will go into the ______，distributing it evenly fore and aft，the lighter cargo will probably be placed in the ______．A.Deep tanks/lower holdsB.Lower holds/tweendecksC.Tweendecks/deep tanksD.Deep tanks/tweendecks
考题
The system of valves and cargo lines in the bottom piping network of a tanker that connects one section of cargo tanks to another section is called a ______．A.come-alongB.crossoverC.manifoldD.runaround
考题
The capacity of the segregated ballast tanks shall be ______ determined that the ship may operate safely on ballast voyages without recourse to the use of cargo tanks for water ballast except as provided otherwise．A.SuchB.AsC.SoD.Well
考题
Valves on steam-smothering lines to cargo tanks shall be set with ______．A.The master control valve shut and valves to individual cargo tanks shutB.The master control valve open and valves to individual cargo tanks shutC.The master control valve shut and valves to individual cargo tanks openD.All valves open
考题
What is NOT required to be contained in the oil transfer procedures ________．A.A line diagram of the vessel's oil transfer pipingB.The number of persons on duty during oil transfer operationsC.Any special procedures for topping off tanksD.The location and capacity of all fuel and cargo tanks on the vessel
考题
Which spaces are required to be segregated from cargo tanks carrying grades A，B，C，or D cargoes ________．A.Pump roomsB.Enclosed deck spacesC.CofferdamsD.Navigation spaces
考题
单选题You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE? （）A
Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleanedB
The hoses to portable cleaning machines should be disconnected before the machines are removed from the tankC
The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residueD
Steam cleaning and water washing are both capable of generating electrostatic charges within a tank
考题
单选题To determine which grades of cargo a tank vessel is permitted to carry you should（）.A
refer to the vessel's Certificate of InspectionB
examine the cargo tanks and fittingsC
ask the terminal supervisor or his representativeD
check the loading order
考题
单选题Crude oil washing of cargo tanks has the following advantages except for （）A
reducing the erosion of the cargo tanksB
increasing the total quantity of oil to carryC
reducing the quantity of water contained in oilD
reducing cargo discharged time
考题
单选题Ballast water can only be（）in cargo tanks in exceptional cases where the particular character of the operation of an oil tanker renders it necessary to carry ballast water in excess of the quantity required，provided that such operation of the oil tanker falls under the category of exceptional cases as established by the Organization.A
carriedB
containedC
filledD
stuffed
考题
单选题Generally speaking , the heavier cargo will go into the（）,distributing it evenly fore and aft, the lighter cargo will probably be placed in the（）.A
deep tanks/lower holdsB
lower holds/tweendecksC
tweendecks/deep tanksD
deep tanks/tweendecks
考题
单选题The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tanks to another section is called a（）.A
crossoverB
runaroundC
come-alongD
manifold
考题
单选题An inert gas system is designed to reduce the possibility of tank explosions by（）.A
eliminating sparks and fire in the vicinity of cargo tanksB
removing all hydrocarbon gases from the cargo tanksC
blanketing cargo tanks with inert foamD
reducing the oxygen concentration below levels necessary for combustion
考题
单选题In no case shall ballast water be carried in cargo tanks，（）on those rare voyages when weather conditions are so severe that，in the opinion of the master，it is necessary to carry additional ballast water in cargo tanks for the safety of the ship.A
besidesB
in particularC
incase ofD
except
考题
单选题By regulation，cargo tanks must be inert before and during what operation?（）.A
StrippingB
LoadingC
CleaningD
Crude oil washing
考题
单选题In（） ships, the cargo space is divided into tanks.A
containerB
dry cargoC
bulkD
liquid cargo
考题
单选题Sufficient cargo tanks shall be（）prior to each ballast voyage in order that，taking into account the tanker’s trading pattern and expected weather conditions，ballast water is put only into cargo tanks which have been crude oil washed.A
inertedB
crude oil washedC
gas freedD
batterned down
考题
单选题按照SOLAS的油船货油舱的隔离的要求：Cargo pump-rooms， cargo tanks， slop tanks and cofferdams shall be positioned forward of machinery spaces. However， oil fuel bunker tanks need not be forward of machinery spaces. Cargo tanks and slop tanks shall be isolated from machinery spaces by cofferdams， cargo pump-rooms， oil bunker tanks or ballast tanks. Pump-rooms containing pumps and their accessories for ballasting those spaces situated adjacent to cargo tanks and slop tanks and pumps for oil fuel transfer， shall be considered as equivalent to a cargo pump-room within the context of this regulation provided that such pump rooms have the same safety standard as that required for cargo pump-rooms.问：对于某29.7万载重吨的VLCC船型，关于货油舱的隔离，下列哪一项不必位于机器处所的前方：（）A
货油泵舱；B
货油舱；C
污油舱（SLOP TANK）；D
燃油舱
考题
单选题To determine which grades of cargo a tanker is permitted to carry you should（）.A
refer to the vessel's Certificate of InspectionB
examine the cargo tanks and fittingsC
ask the terminal supervisor or his representativeD
check the loading order
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